From: Pavel Machek Date: Sun, 1 Mar 2015 19:07:08 +0000 (+0200) Subject: ARM: dts: OMAP3-N900: Add microphone bias voltages X-Git-Tag: v4.0.4~35 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da277d2b51e9f6840235bfddab8edd6912503206;p=thirdparty%2Fkernel%2Fstable.git ARM: dts: OMAP3-N900: Add microphone bias voltages commit 1819e3034ee26ffadc71880064ed8b8e7d74f52c upstream. N900 audio recording needs that codec provides bias voltage for integrated digital microphone and headset microphone depending which one is used. Digital microphone uses 2 V bias and it comes from the codec A part. Codec B part drives the headset microphone bias and that is set to 2.5 V. Signed-off-by: Pavel Machek [Jarkko: Headset mic bias changed to 2 (2.5 V) as it was before commit e2e8bfdf6157 ("ASoC: tlv320aic3x: Convert mic bias to a supply widget")] Signed-off-by: Jarkko Nikula Signed-off-by: Tony Lindgren Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index db80f9d376fad..9c8bdf2c93a16 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -484,6 +484,8 @@ DRVDD-supply = <&vmmc2>; IOVDD-supply = <&vio>; DVDD-supply = <&vio>; + + ai3x-micbias-vg = <1>; }; tlv320aic3x_aux: tlv320aic3x@19 { @@ -495,6 +497,8 @@ DRVDD-supply = <&vmmc2>; IOVDD-supply = <&vio>; DVDD-supply = <&vio>; + + ai3x-micbias-vg = <2>; }; tsl2563: tsl2563@29 {